# -*- coding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################

from osv import fields, osv, orm
from datetime import datetime, timedelta
import crm
import math

class crm_lead(osv.osv):
    _name = "crm.lead"
    _description = "Leads Cases"
    _order = "priority desc, id desc"
    _inherit = ['res.partner.address', 'crm.case']

    def _compute_openday(self, cr, uid, ids, name, args, context={}):
        result = {}
        for r in self.browse(cr, uid, ids , context):
            result[r.id] = 0
            model_id = self.pool.get('ir.model').search(cr, uid, [('model', '=', 'crm.lead')])
            log_obj = self.pool.get('crm.case.log')
            hist_id = log_obj.search(cr, uid, [('model_id', '=', model_id[0]), \
                                                     ('res_id', '=', r.id), \
                                                     ('name', '=', 'Open')])

            if hist_id:
                # Considering last log for opening case
                log = log_obj.browse(cr, uid, hist_id[-1])
                date_lead_open = datetime.strptime(r.create_date, "%Y-%m-%d %H:%M:%S")
                date_log_open = datetime.strptime(log.date, "%Y-%m-%d %H:%M:%S")
                ans = date_lead_open - date_log_open
                duration =  float(ans.days) + (float(ans.seconds) / 86400)
                result[r.id] = abs(int(duration))
        return result

    def _compute_closeday(self, cr, uid, ids, name, args, context={}):
        result = {}
        for r in self.browse(cr, uid, ids , context):
            result[r.id] = 0
            if r.date_closed:
                date_create = datetime.strptime(r.create_date, "%Y-%m-%d %H:%M:%S")
                date_close = datetime.strptime(r.date_closed, "%Y-%m-%d %H:%M:%S")
                ans = date_close - date_create
                duration =  float(ans.days) + (float(ans.seconds) / 86400)
                result[r.id] = abs(int(duration))
        return result

    _columns = {
        'categ_id': fields.many2one('crm.case.categ', 'Lead Source', domain="[('section_id','=',section_id),('object_id.model', '=', 'crm.opportunity')]"), 
        'type_id': fields.many2one('crm.case.resource.type', 'Lead Type', domain="[('section_id','=',section_id),('object_id.model', '=', 'crm.lead')]"), 
        'partner_name': fields.char("Contact Name", size=64), 

        'priority': fields.selection(crm.AVAILABLE_PRIORITIES, 'Priority'), 
        'date_closed': fields.datetime('Closed', readonly=True), 
        'stage_id': fields.many2one('crm.case.stage', 'Stage', domain="[('section_id','=',section_id),('object_id.model', '=', 'crm.lead')]"), 
        'opportunity_id': fields.many2one('crm.opportunity', 'Opportunity'), 

        'user_id': fields.many2one('res.users', 'Salesman'), 
        'referred': fields.char('Referred By', size=32), 
        'day_open': fields.function(_compute_openday, string='Days to Open', \
                                method=True, type="integer", store=True), 
        'day_close': fields.function(_compute_closeday, string='Days to Close', \
                                method=True, type="integer", store=True), 
        'function_name' : fields.char('Function', size=64),
        }

    _defaults = {
        'company_id': lambda s, cr, uid, c: s.pool.get('res.company')._company_default_get(cr, uid, 'crm.lead', context=c), 
        'priority': lambda *a: crm.AVAILABLE_PRIORITIES[2][0],
    }

crm_lead()